Iec motor standards pdf

Headquartered in geneva, switzerland, iec standards reach over 150 countries. Abb 5 basics of iec motors enclosures this is the area where iec standards get very specific. Compared with the old iec standard from 2008, which defined three efficiency values for threephase asynchronous motors, the updated standard iec 60034301 has the additional efficiency class ie4. However, in 2008 these eff standards changed to the current iec standards for electric motors to overcome the international inconsistencies in regulations between electric motor standards and efficiency classes. The motor standards can be grouped into two major categories. National electrical manufacturers association nema ics 2 and international. This is an incomplete list of standards published by the international electrotechnical commission iec.

Ieee std 1122004, ieee standard test procedure for polyphase. Mechanic vibration for machines with driveshaft heights of 56 mm or more. Threephase, double polarity, selfbraking motor db m series standard iec 1. Iec standards for electric motors magnetic innovations. While nema specifies continuous, intermittent or special duty typically expressed in minutes cycles for ac motors, the iec uses nine different duty cycle designations according to iec 600341. To summarize the following four standards dealing with the degree of protection for electrical equipment. The table below lists the nine iec duty cycles and their individual characteristics. Reference guide low voltage motors basics of iec motors. Special shaft ends 4th digit the specified mounting is to be mentioned when ordering an electric motor. The standard aims to consolidate ac and traction voltages within the industry and defines the following bands. Iec34 motor electric motor machines free 30day trial. Iec 6003421 specifies rules concerning efficiency testing methods and iec 6003430 defines efficiency classes for a wide range of electric motors connected direct on line iec 60034301 which becomes valid in 2014 takes a step further in.

Iec 6003430 standard on efficiency classes for low voltage ac motors iec en 6003430 standard was published by the international electrotechnical commission in october 2008. Current global motor energy efficiency standards published all iec international electrotechnical commission standards can be purchased at. The standard was updated in 2006, and in 2012 it was harmonized with iec standards. The standard defines efficiency classes for motors and harmonizes the currently different requirements for induction motor efficiency levels around the world. Foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising all national electrotechnical committees iec national committees. Although they adhere to different standards, both methods are intended to determine the performance of the motor. Standard for uniformly measuring and expressing the performance of electrical energy storage systems. Many iec standards have been some what nationalized. Starting performance of singlespeed threephase cage induction motors this international standard specifies the parameters for four designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in accordance with iec 600341 that. Founded in 1906, the iec international electrotechnical commission is the worlds leading organization for the preparation and publication of international standards for all electrical, electronic and related technologies. Standard format for iec standards learning from motor.

You also get lifecycle services that add value for your operations and optimize your cost of ownership. As a result of this and the age of these motors, we are seeing inquiries for replacement motors that will match the iec international electrical commission standards. The current determination refers to test method a method a as aligning with the standards asnzs 59. The international electrotechnical commission iec is the leading global organization that prepares and publishes international standards for all electrical, electronic and related technologies. Home helpful stuff iec quick reference chart the influx of foreign equipment during the 70s and 80s have put great numbers of metric motors in plants. Low voltage motors basics of iec motors esr motor systems. The gems regulator has identified an issue relating to the test methods and test standards for three phase cage induction motors electric motors listed in the greenhouse and energy minimum standards three phase cage induction motors determination 2012.

Iec is the organization responsible for motor standards in the european community. The iec site includes information about electric, electronic and electrotechnical international standards, compliance and conformity assessment for electronics and electronic equipment, and international electrical standards. There is a wide range of motor controls available that meet one of the two dominant standards. The iec duty cycle ratings are different from those of that of nema. Nema publishes over 700 standards, application guides, white papers, and technical papers.

Single double shaft extensions, with accessories like tg mounting, filters, protections for windings and bearing, space heaters, etc. As part of electrical safety, this standard defines the. The code covers nearly every known cooling method, including those for very large liquidcooled motors. The international electrotechnical commission iec is charged with international standards for electric rotating machines, i. However, iec uses numbers to describe enclosures, and there are a lot of them. This standard applies to systems with motor pump sets connected to the pv generator directly or via a converter dc to dc or dc to ac. Proper motor protection with iec versus nema iec and nema motor controls both work well in most scenarios. High efficiency motors have usually higher speed ratings than comparable sized standard.

If required, the performances of bf motors may be changed and. A published iec standard can be purchased in hardcopy and pdf from. Technical note iec 6003430 standard on efficiency classes. The actual motor mounting may influence the protection class and bearing design. Particular requirements for circular saws iec 6074525. Nema and iec schematic diagram comparisons mz081001en. Ip 5 a ltef chemica processing, dirty duty, and washdown duty motors ip protection baldor enclosures summary of ip protection numbers baldor electric company p. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. The requirements and related tests of this standard cover. Electric motors test methods and test standards energy. Whether it is a complex control system on a machine tool or a simple acrosstheline motor starter, the need to recognize and understand these symbols becomes more important. Quality standards the rating and performance of bf series tefc motors meet the standards laid down in iec 341 1983. Componentlevel standards for isolators for example, vde 088410 or iec 6074755 and systemlevel standards for example, iec 606641 define both the isolation parameters and methodologies used to test them. The international electrotechnical commission is the international standards and conformity assessment body for all fields of electrotechnology.

The numbers of older iec standards were converted in 1997 by adding 60000. Underwriters laboratories ul is an independent testing organization that sets standards for motors and other electrical equipment. This standard is also available to be included in standards subscriptions. Understanding motor nameplate information nema vs iec. Section 7 of the ansineta standard for acceptance testing specifications for electrical power equipment and systems may be reproduced and used on a cut and paste basis for the particular type of equipment to be tested.

For example, iec standardizes the frame size of motors. The iec standard for ac motors learning electrical engineering. The influx of foreign equipment during the 70s and 80s have put great numbers of metric motors in plants. Our motors are suitable for a broad number industries and applications. Iec quick reference chart iec foot mounting shaft b5 flange b14 face general frametype abchdela mnpstmnpstlacadhcxx 102 121 63 300 100 80 40 63 11 23 8 115 95 140 9375 60 90 m5 2. Information guide for general purpose industrial ac small and medium squirrelcage induction motor standards. Iec squirrelcage motors standard motors up to frame size 315 l orientation 22 siemens d 81. The new standard iec 60034301 was published in march 2014, replacing its predecessor iec 6003430 from 2008. These standards differ from nema standards and can be found in iec 34116.

The frame is exactly same with the induction motors, but overcome the disadvantages of induction motors with higher efficiency approx. The international electrotechnical commission iec 6180051 is a safety standard for adjustablespeed electrical power drive systems. Requirements for servicing of medical imaging equipment. Iecnema standard permanent magnet synchronous motorsvolcano. Iec 614392 replaces iec 604391 still valid until 2014 iec 614396 will replace iec 604392 still valid iec 614393 will replace iec 604393 still valid iec 614394 will replace iec 604394 still valid iec 614395 will. Pd in a winding creates lowvoltage pulses in response to. Iec 6003421 specifies rules concerning efficiency testing methods and iec 6003430 defines efficiency classes for a wide range of electric motors connected direct on line.

Iec standards cover a vast range of technologies from power. Rpm rating for a gear motor represents output shaft speed. In 1991 the iec has ratified cooperation agreements with cenelec european standardization body, for a common planning of new standardization activities. This is an incomplete list of standards published by the international electrotechnical commission iec the numbers of older iec standards were converted in 1997 by adding 60000. It applies to desktop and notebook computers as defined in 4. Proper motor protection with iec versus nema home isa. Requirements for motors not isolated from the supply, and having basic insulation not designed for the rated voltage of the tools, are given in annex b. These pmsm motors are offered to replace some induction motors in the market.

Iec standards the motor standards can be grouped into two major categories. Iec 345, rotating electrical machines, part 5, classification of degrees of protection provided by enclosures of rotating electrical machines. Motor guide february 2014 low voltage motors motor guide. Dimensions and output power for rotating electric motors part 1.

List of international electrotechnical commission standards. International electrotechnical commission wikipedia. The iec publishes international standards, technical guides and reports which are the bases or, in any case, a reference of utmost importance for any national and european standardization activity. Iec defines international energyefficiency classes ie codes in iec standard 6003430 iec motor nameplate efficiency is the rated efficiency assigned by the manufacturer for a particular ie code, the rated efficiency must not be less than the value given in 6003430 for that rating for iec motors, the rated efficiency and ie code. Iec motor standards engineering tolerance standardization. The iec site includes information about electric, electronic and electrotechnical international standards, compliance and conformity assessment for electronics and electronic equipment, and international electrical standards information. Iec low voltage motors with our expertise and comprehensive portfolio of low voltage motors we help you to improve reliability, energy efficiency and productivity of your processes. Ac motor duty cycle types as per iec standards learning. Japan has harmonized its national regulations with iec efficiency classes and has included electric motors at the ie2 and ie3 level in its toprunner programme in 2014.

Flangemounted electric motors need further specification of the required pitch. Nema threephase induction motors defer testing to institute of electrical and electronics engineers standard 112b and canadian standards association standard 39010, while iec motors standard for testing is iec standard 6003421. Iec standards often have multiple subpart documents. Digital isolator data sheets clearly specify the values. Open dripproof and totally enclosed are the descriptive words nema uses. Iec integrated electric manufactures custom dc motors of. Please refer to the large ac motor chart, or to the specific motor drawings for l449t dimensions. Abb product iec quick reference chart leading provider of. The following sections of the ansineta standard for acceptance testing specifications for. The international electrotechnical commission iec has introduced standards relating to energy efficient motors. Ieee standard test procedure for polyphase induction motors and generators 3 park avenue, new york, ny 100165997, usa ieee power engineering society sponsored by the electric machinery committee 4 november 2004 print. Testing for the purpose of iec 600341841 and iec 600341842, the term impulse refers to a voltage transient from a vsd or a special highvoltage surge tester. Standard format for iec standards electric motor systems. Standard for acceptance testing specifications for electrical.

Electrical installation handbook protection, control and. Iec low voltage motors guide electrical engineering portal. Representatives from some 45 national iec committees ncs, including 15 countries with observer status, work together on the development of motor standards in the technical committee 2 tc2. Ihs markit is your source for iec standards and publications.

Reference 2 and 3 discusses these parameters and test methodologies in detail. This paper describes a comparative study of induction motor testing standards ieee 112 and newly published iec 6003421, primarily used in the united states and europe, respectively. At the same time, the meps were increased from ie1 to ie2 and now ie3. For example, the us established the nema standards for electric motors, which differed a lot from the eu standards. European frame sizes are handled in a different way from u. Their performances are also in accordance with most national standards specifically vde 0530, nbn c 51101, nf c 51111. In north america, the national electric manufacturers association nema sets motor standards, including what should go on the nameplate nema standard mg 110.